The late Kären Matison Hess, Ph.D., wrote extensively about law enforcement and criminal justice, gaining a prestigious reputation for the consistent pedagogical style around which she structured each textbook. Dr. Matison co-authored multiple editions of MANAGEMENT AND SUPERVISION IN LAW ENFORCEMENT, JUVENILE JUSTICE, INTRODUCTION TO LAW ENFORCEMENT AND CRIMINAL JUSTICE, CONSTITUTIONAL LAW AND THE CRIMINAL JUSTICE SYSTEM and CRIMINAL INVESTIGATION. ... Read moreMany of the renowned strengths of Dr. Matison's practical presentation as well as her investigative insights remain hallmarks of this new edition. Christine H. Orthmann holds an M.S. in criminal justice from the University of Cincinnati and has been writing and researching in various aspects of criminal justice for over 20 years. She is the co-author of numerous Cengage Learning textbooks, a former reserve officer with the Rosemount, Minnesota, Police Department and a member of the Academy of Criminal Justice Sciences (ACJS), the American Society of Criminology (ASC), the Text and Academic Authors Association (TAA) and the National Criminal Justice Honor Society (Alpha Phi Sigma). The late J. Scott Harr worked in various areas of the law for 30 years. He was Chief Law Enforcement Officer and Public Safety Director for a suburb of the Twin Cities and served as a police officer for two other cities prior to that. In addition, he served as a firefighter and emergency medical technician. Licensed as a lawyer, police officer and private investigator, he taught at Normandale Community College, Metropolitan State University and Concordia University. Jon Kingsbury, JD, has been with the Minneapolis (Minnesota) Police Department since 1995. Most of his career has been spent in uniform, both as a patrol officer and a supervisor. In addition to his time in uniform, he has experience as a department physical fitness instructor, defense tactics coordinator, field training officer, SWAT team supervisor and in-service trainer. Deputy Chief Kingsbury received a BA from the University of Minnesota and a JD from Hamline University School of Law, graduating magna cum laude. He has taught college courses in report writing and criminal procedure and has acted as a law enforcement consultant in the areas of use of force, search and seizure and law enforcement operations and management. He is a member of several organizations, including the Minnesota State Bar Association and the National Tactical Officers Association. Show Less